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* grub-core/commands/i386/nthibr.c: New command.

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Peter Lustig 2013-11-04 01:47:37 +01:00 committed by Vladimir Serbinenko
parent 79054c1d1e
commit 9b5d4eed31
3 changed files with 88 additions and 0 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2013-11-04 Peter Lustig <peter.lustig.7db@gmail.com>
* grub-core/commands/i386/nthibr.c: New command.
2013-11-04 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/tests/video_checksum.c: Add 2560x1440 mode to testing.

5
grub-core/Makefile.core.def
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@ -576,6 +576,11 @@ module = {
enable = mips_arc;
};
module = {
name = check_nt_hiberfil;
common = commands/i386/nthibr.c;
};
library = {
name = libgnulib.a;
common = gnulib/regex.c;

79
grub-core/commands/i386/nthibr.c Normal file
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@ -0,0 +1,79 @@
/* nthibr.c - tests whether an MS Windows system partition is hibernated */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 Peter Lustig
* Copyright (C) 2013 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/types.h>
#include <grub/mm.h>
#include <grub/file.h>
#include <grub/misc.h>
#include <grub/dl.h>
#include <grub/command.h>
#include <grub/err.h>
#include <grub/i18n.h>
GRUB_MOD_LICENSE ("GPLv3+");
static grub_err_t
grub_cmd_nthibr (grub_command_t cmd __attribute__ ((unused)),
int argc, char **args)
{
grub_uint8_t hibr_file_magic[4];
grub_file_t hibr_file = 0;
if (argc != 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected"));
hibr_file = grub_file_open (args[0]);
if (!hibr_file)
return grub_errno;
/* Try to read magic number of 'hiberfil.sys' */
if (grub_file_read (hibr_file, hibr_file_magic,
sizeof (hibr_file_magic))
!= (grub_ssize_t) sizeof (hibr_file_magic))
{
if (!grub_errno)
grub_error (GRUB_ERR_TEST_FAILURE, "false");
goto exit;
}
if (!(grub_memcmp ("hibr", hibr_file_magic, sizeof (hibr_file_magic)) == 0
|| grub_memcmp ("HIBR", hibr_file_magic, sizeof (hibr_file_magic)) == 0))
grub_error (GRUB_ERR_TEST_FAILURE, "false");
exit:
grub_file_close (hibr_file);
return grub_errno;
}
static grub_command_t cmd;
GRUB_MOD_INIT (check_nt_hiberfil)
{
cmd = grub_register_command ("check_nt_hibrerfil", grub_cmd_nthibr,
N_("FILE"),
N_("Test whether a hiberfil.sys is "
"in hibernated state."));
}
GRUB_MOD_FINI (check_nt_hiberfil)
{
grub_unregister_command (cmd);
}